Improvement in heating apparatus



C. EZARD.

HEATING APPARATUS.

Patented June 13 N-PETERS, FHOTO-LITHOGRAFNER, WASHXNGTON. Dv C UNITEDSTATES PATENT Orrztcn.

CHARLES EZARD, on BRADFORD, ENGLAND.

IMPROVEMENT IN HEATING APPARATUS.

Specification forming part of Letters Patent No. 1 78.751, dated June13, 1876 application filed April 29, 1876. i

To all whom it may concern:

Be it known that I, CHARLES EZARD, of Bradford, Manchester, England,have invented certain Improvements in Heating Apparatus, of which thefollowing is a specification:

The object of my invention is to construct a cheap, simple, andeffective heating apparatus for use in greenhouses, &c.; and this objectI attain in the manner which I will now proceed to describe, referencebeing had to the accompanying drawing, in which- Figure 1 is alongitudinal vertical section of one form of my improved heatingapparatus, and Fig. 2 a plan view of a modified form of apparatus.

A is the casing, inclosing an upper chamber, a, and lower chamber 1),the two being separated by a partition, 01. The chamber a communicates,through two pipes, B B, with a water-chamber, 0, contained within acasing, D, the Water-level in this chamber being maintained atsuch aheight that the chamber a is always full. The partition d, between thechambers a and b, is raised in the center, so

as to form a conical chamber, 6, communicating at the bottom with thechamber 12, and at the top with the bent end of a tube, t, which passesthrough the upper pipe B, through the water-chamber O, and out throughthe wall of the apartment in which the heater is situat'ed.

The heat is obtained from a gas or vapor stove, or oil or other lamp, ofany desired construction, which is placed in the chamber 1), immediatelybeneath the mouth of the chamber 6, the products of combustion pass ingup through this chamber, and thence through the tube '5, into theatmosphere. By thus compelling the products of combustion to take thisextended course through a tube surrounded by the water to be heated,their heat is effectually utilized before they reach the point of exit.As the water in the cham her a becomes heated it ascends and passes intoand through the pipe B, in the direction of the arrow 1, and into thewater-chamber U. 0001 water from the lower portion of the chamber O isthus induced to pass along the pipe B, in the direction of the arrow 2,and enters the chamber a at or near the bottom, where it is brought intocontact with the highly-heated casing of the chamber 0, and, on becomingheated, rises and passes into the pipe B. A constant circulation of thewater is thus insured, and a uniform heat imparted to the same.

Fig.2 represents a modification of my invention, in which the heater Aand waterchamber 0 are placed side by side at one end of the apartmentto be heated, and connected by pipes which extend along both of thesides and the opposite end of the apartment.

The apparatus above described forms an effective and convenient heatingdevice, which can be easily applied, can be readilyadapted ,to rooms ofdifierent sizes by simply lengthening or shortening the tubes B B, andcan be kept in operation at a less expense than an ordinary coal-fire.

' When used for heating greenhouses my improved apparatus is muchpreferable to a coalfire inasmuch as it dischar es no noxious i v gaseshavin g a deleterious eflect on the plants.

Any number of pipes may be used for con- I necting the heater A and thewater-chamber O, the number shown being used merely for convenience.

If desired, also, tubes i may extend through more than one of thewater-pipes.

I'wish it to be understood that I do not desire to claim, broadly, in aheating apparatus, a tube or tubes placed within a chamber or tube; but

I claim as my inventiou 1. The combination of the casing A, containingthe combustion-chamber c and surrounding water-chamber a, with two ormore watertubes, B B, one of which incloses the tube 4;,

- for the passage of the products of combustion,

Solicitors Olcrh, Booth Street, Manchester.

